code: def test_list_stack(self):
      def f():
          l = [1, 2, 3]
          return array_ops_stack.stack(l)
  
      tr = self.transform(f, lists)
  
      self.assertAllEqual(self.evaluate(tr()), [1, 2, 3])
  
file_path: tensorflow/tensorflow/python/autograph/converters/lists_test.py
imports: from tensorflow.python.autograph.converters import directives
  from tensorflow.python.autograph.converters import lists
  from tensorflow.python.autograph.core import converter_testing
  from tensorflow.python.autograph.lang import directives
  from tensorflow.python.autograph.lang import special_functions
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops import array_ops_stack
  from tensorflow.python.ops import list_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 6 for calling the ListTest obj's underlying member method code with example usage: obj.test_list_stack() and returns: array_ops_stack